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[youtubedl] / test / test_download.py
1 #!/usr/bin/env python
2
3 import errno
4 import hashlib
5 import io
6 import os
7 import json
8 import unittest
9 import sys
10 import socket
11 import binascii
12
13 # Allow direct execution
14 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
15
16 import youtube_dl.YoutubeDL
17 from youtube_dl.utils import *
18
19 PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
20
21 RETRIES = 3
22
23 # General configuration (from __init__, not very elegant...)
24 jar = compat_cookiejar.CookieJar()
25 cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
26 proxy_handler = compat_urllib_request.ProxyHandler()
27 opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
28 compat_urllib_request.install_opener(opener)
29 socket.setdefaulttimeout(10)
30
31 def _try_rm(filename):
32 """ Remove a file if it exists """
33 try:
34 os.remove(filename)
35 except OSError as ose:
36 if ose.errno != errno.ENOENT:
37 raise
38
39 md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
40
41 class YoutubeDL(youtube_dl.YoutubeDL):
42 def __init__(self, *args, **kwargs):
43 self.to_stderr = self.to_screen
44 self.processed_info_dicts = []
45 super(YoutubeDL, self).__init__(*args, **kwargs)
46 def report_warning(self, message):
47 # Don't accept warnings during tests
48 raise ExtractorError(message)
49 def process_info(self, info_dict):
50 self.processed_info_dicts.append(info_dict)
51 return super(YoutubeDL, self).process_info(info_dict)
52
53 def _file_md5(fn):
54 with open(fn, 'rb') as f:
55 return hashlib.md5(f.read()).hexdigest()
56
57 from helper import get_testcases
58 defs = get_testcases()
59
60 with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
61 parameters = json.load(pf)
62
63
64 class TestDownload(unittest.TestCase):
65 maxDiff = None
66 def setUp(self):
67 self.parameters = parameters
68 self.defs = defs
69
70 ### Dynamically generate tests
71 def generator(test_case):
72
73 def test_template(self):
74 ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
75 def print_skipping(reason):
76 print('Skipping %s: %s' % (test_case['name'], reason))
77 if not ie._WORKING:
78 print_skipping('IE marked as not _WORKING')
79 return
80 if 'playlist' not in test_case and not test_case['file']:
81 print_skipping('No output file specified')
82 return
83 if 'skip' in test_case:
84 print_skipping(test_case['skip'])
85 return
86
87 params = self.parameters.copy()
88 params.update(test_case.get('params', {}))
89
90 ydl = YoutubeDL(params)
91 ydl.add_default_info_extractors()
92 finished_hook_called = set()
93 def _hook(status):
94 if status['status'] == 'finished':
95 finished_hook_called.add(status['filename'])
96 ydl.fd.add_progress_hook(_hook)
97
98 test_cases = test_case.get('playlist', [test_case])
99 for tc in test_cases:
100 _try_rm(tc['file'])
101 _try_rm(tc['file'] + '.part')
102 _try_rm(tc['file'] + '.info.json')
103 try:
104 for retry in range(1, RETRIES + 1):
105 try:
106 ydl.download([test_case['url']])
107 except (DownloadError, ExtractorError) as err:
108 if retry == RETRIES: raise
109
110 # Check if the exception is not a network related one
111 if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
112 raise
113
114 print('Retrying: {0} failed tries\n\n##########\n\n'.format(retry))
115 else:
116 break
117
118 for tc in test_cases:
119 if not test_case.get('params', {}).get('skip_download', False):
120 self.assertTrue(os.path.exists(tc['file']), msg='Missing file ' + tc['file'])
121 self.assertTrue(tc['file'] in finished_hook_called)
122 self.assertTrue(os.path.exists(tc['file'] + '.info.json'))
123 if 'md5' in tc:
124 md5_for_file = _file_md5(tc['file'])
125 self.assertEqual(md5_for_file, tc['md5'])
126 with io.open(tc['file'] + '.info.json', encoding='utf-8') as infof:
127 info_dict = json.load(infof)
128 for (info_field, expected) in tc.get('info_dict', {}).items():
129 if isinstance(expected, compat_str) and expected.startswith('md5:'):
130 got = 'md5:' + md5(info_dict.get(info_field))
131 else:
132 got = info_dict.get(info_field)
133 self.assertEqual(expected, got,
134 u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
135
136 # If checkable fields are missing from the test case, print the info_dict
137 test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
138 for key, value in info_dict.items()
139 if value and key in ('title', 'description', 'uploader', 'upload_date', 'uploader_id', 'location'))
140 if not all(key in tc.get('info_dict', {}).keys() for key in test_info_dict.keys()):
141 sys.stderr.write(u'\n"info_dict": ' + json.dumps(test_info_dict, ensure_ascii=False, indent=2) + u'\n')
142
143 # Check for the presence of mandatory fields
144 for key in ('id', 'url', 'title', 'ext'):
145 self.assertTrue(key in info_dict.keys() and info_dict[key])
146 finally:
147 for tc in test_cases:
148 _try_rm(tc['file'])
149 _try_rm(tc['file'] + '.part')
150 _try_rm(tc['file'] + '.info.json')
151
152 return test_template
153
154 ### And add them to TestDownload
155 for n, test_case in enumerate(defs):
156 test_method = generator(test_case)
157 tname = 'test_' + str(test_case['name'])
158 i = 1
159 while hasattr(TestDownload, tname):
160 tname = 'test_' + str(test_case['name']) + '_' + str(i)
161 i += 1
162 test_method.__name__ = tname
163 setattr(TestDownload, test_method.__name__, test_method)
164 del test_method
165
166
167 if __name__ == '__main__':
168 unittest.main()